To transmit identifying numbers, dates and other basic data relating to the transaction set
Code identifying purpose of transaction set.
A unique control number assigned by the original shipper to identify a specific shipment.
Date (YYMMDD).
BSN03 is the date the shipment transaction set is created.
Time expressed in 24-hour clock time (HHMMSS) (Time range: 000000 through 235959)
BSN04 is the time the shipment transaction set is created.
Code indicating the hierarchical application structure of a transaction set that utilizes the HL segment to define the structure of the transaction set.
